168148895694 has 32 divisors (see below), whose sum is σ = 362199979680. Its totient is φ = 51733389312.

The previous prime is 168148895689. The next prime is 168148895711. The reversal of 168148895694 is 496598841861.

It is a super-2 number, since 2×168148895694² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813342 + ... + 998910.

It is an arithmetic number, because the mean of its divisors is an integer number (11318749365).

Almost surely, 2^168148895694 is an apocalyptic number.

168148895694 is an abundant number, since it is smaller than the sum of its proper divisors (194051083986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168148895694 is a wasteful number, since it uses less digits than its factorization.

168148895694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197204.

The product of its digits is 119439360, while the sum is 69.

The spelling of 168148895694 in words is "one hundred sixty-eight billion, one hundred forty-eight million, eight hundred ninety-five thousand, six hundred ninety-four".